variable-volume air system

variable-volume air system

[¦ver·ē·ə·bəl ¦väl·yəm ′er ‚sis·təm]
(mechanical engineering)
An air-conditioning system in which the volume of air delivered to each controlled zone is varied automatically from a preset minimum to a maximum value, depending on the load in each zone.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

variable-volume air system

An air-conditioning system in which the quantity of air supplied to each controlled zone is regulated automatically, from some preset minimum value to a maximum value based on the load in each zone.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.